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XC9253R - Synchronous Step-Down DC/DC Converter

Description

The XC9253R series is a group of synchronous-rectification type DC/DC converters with a built-in 0.6 P-channel driver transistor and 0.7 N-channel switching transistor, designed to allow the use of ceramic capacitors.

Features

  • P-Ch Driver Tr. Built-In N-Ch DriverTr. built-in Input Voltage Range Output Voltage Range Low Power Consumption Control Method High Efficiency : ON resistance 0.6 : ON resistance 0.7 : 2.0V~6.0V : 3.3V : 15 A (TYP. ) (VIN=3.6V) : PWM/PFM Automatic : 92% (TYP. ) (VIN=4.5V, VOUT=3.3V, IOUT=100mA) Output Current : 500mA Oscillation Frequency : 600kHz ( 15%) Low Output Ripple : 10mV Maximum Duty Ratio : 100% Operating Ambient Temperature : -40 +85 Packages : SOT-25, USP-6B Soft-Start C.

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Full PDF Text Transcription

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XC9253R Series Synchronous Step-Down DC/DC Converter ETR0528_003 GreenOperation Compatible GENERAL DESCRIPTION The XC9253R series is a group of synchronous-rectification type DC/DC converters with a built-in 0.6 P-channel driver transistor and 0.7 N-channel switching transistor, designed to allow the use of ceramic capacitors. The ICs enable a high efficiency, stable power supply with an output current of 500mA to be configured using only a coil and two capacitors connected externally. Minimum operating voltage is 2.0V~6.0V. Output voltage is 3.3V(accuracy: 2.0%). With the built-in oscillator, oscillation frequency is set to 600kHz.
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